Elimination of soluble boron for a new PWR (pressurized water reactor) design
Technical Report
·
OSTI ID:5620576
This report describes the results of a preliminary, limited-scope design study performed to assess the technical and economic feasibility of a commercial-sized, pressurized water reactor (PWR) which does not use soluble-boron for reactivity control. A soluble-boron-free PWR is being considered because it offers a number of potentially significant improvements to a PWR design. These include: (1) avoiding concerns with boric acid induced corrosion of pressure vessels, bolting and other critical components as a result of primary system leaks, (2) simplification of plant operation and maintenance through the elimination of deboration operations, (3) reduction of radioactive waste volumes and water processing requirements due to the elimination of deboration operations, and (4) maintaining a large negative moderator temperature coefficient at all times. The purpose of this study was to define and evaluate a conceptual core design in a limited-scope effort to determine whether more detailed evaluations of the soluble-boron-free PWR are warranted; it was not intended to identify a complete, optimized design for a soluble-boron-free PWR. As a result, technical feasibility was given first priority with economic optimization being a secondary concern. 13 refs., 11 figs., 10 tabs.
- Research Organization:
- Electric Power Research Inst., Palo Alto, CA (USA); Combustion Engineering, Inc., Windsor, CT (USA). Power Systems Group
- Sponsoring Organization:
- EPRI
- OSTI ID:
- 5620576
- Report Number(s):
- EPRI-NP-6536
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210200* -- Power Reactors
Nonbreeding
Light-Water Moderated
Nonboiling Water Cooled
BORON
CAPITALIZED COST
CONTROL ELEMENTS
COST
DESIGN
DOCUMENT TYPES
ECONOMIC ANALYSIS
ECONOMICS
ELEMENTS
FEASIBILITY STUDIES
FUEL ASSEMBLIES
FUEL CYCLE
PROGRESS REPORT
PWR TYPE REACTORS
REACTOR COMPONENTS
REACTOR CORES
REACTOR SAFETY
REACTORS
RECOMMENDATIONS
REMOVAL
SAFETY
SEMIMETALS
WATER COOLED REACTORS
WATER MODERATED REACTORS
210200* -- Power Reactors
Nonbreeding
Light-Water Moderated
Nonboiling Water Cooled
BORON
CAPITALIZED COST
CONTROL ELEMENTS
COST
DESIGN
DOCUMENT TYPES
ECONOMIC ANALYSIS
ECONOMICS
ELEMENTS
FEASIBILITY STUDIES
FUEL ASSEMBLIES
FUEL CYCLE
PROGRESS REPORT
PWR TYPE REACTORS
REACTOR COMPONENTS
REACTOR CORES
REACTOR SAFETY
REACTORS
RECOMMENDATIONS
REMOVAL
SAFETY
SEMIMETALS
WATER COOLED REACTORS
WATER MODERATED REACTORS